使用'mongoloid'这个词来指代唐氏综合症患者现在被认为是不恰当的。

The term ___mongoloid is now regarded as offensive when describing people with Down syndrome.

在传统的人种分类中，蒙古人种主要分布于东亚和北极地区。

In traditional racial classifications, the ___Mongoloid populations were primarily found in East Asia and the Arctic regions.